Chat — Team Messaging

  • Area: Workspace
  • Path: products/horizontal/chat/
  • Kind: Team messaging platform (Slack / Mattermost style)
  • App version: 0.1.5
  • Status: Active

Role in the stack

Chat is Koder's team messaging platform. Channels, direct messages, threads, file sharing, integrations, real-time WebSocket updates. It serves as the internal communications backbone across Koder products.

Chat is the sibling (not competitor) of suite/talk:

  • Chat — business teams, server-side stored history, threads + integrations
  • Talk — private contacts, E2E encryption, voice + channels

Primary couplings

Consumer Relationship
products/horizontal/chat/engine Go backend; channels, messages, files, WebSocket
data/kdb Stores channels, threads, messages, files
foundation/id Authenticates users; dev.koder.chat OIDC client registered in prod
foundation/kompass Tenant scoping for business teams
suite/drive File attachments
engines/sdk/koder_ipc IPC transport (armv7 build fix applied v0.1.2)

Flutter app (products/horizontal/chat/app)

  • Platforms: Android, iOS, Linux, Windows, macOS, Web
  • Auth: Koder ID OIDC PKCE via koder_kit KoderAuth on all surfaces incl.

    web (no local form, Google-Chat model). The app gate bridges koder_kit's completed OIDC sign-in into a Chat session via POST /api/v1/auth/koder-id. Redirect URIs (koder-chat client): web https://chat.koder.dev/auth/callback, Android dev.koder.chat://auth, desktop loopback 127.0.0.1:18787/auth.

  • State: ChatProvider extends ChangeNotifier (provider package)
  • Real-time: WebSocket via ChatConn (koder_chat SDK)
  • Store slug: koder-chat (Hub: Linux AppImage + Android arm64x86_64armv7)

Changelog

Version Date Notes
0.1.4 2026-05-26 CHAT-005: web OIDC migrated to koderkit (dropped flutterappauth, which has no web impl); canonical redirect URIs reconciled on the live koder-chat client. CHATE-016: native Hub release — Linux AppImage + Android (3 ABIs) published to hub.koder.dev/apps/koder-chat. chat.koder.dev vhost: dropped the `/auth